Launching Gantry Crane
Bridge gantry crane
Launching Gantry Crane is mainly used for lifting equipment in the construction of railways, highways and bridges. Because the position is not fixed and the walking is relatively large, the connecting parts are connected in the form of connecting rods, which are easy to disassemble and transport.
Launching Cranemainly include Bridge Building Crane, Bridge launching gantry Crane, and Girder Launcher.
Launching Gantry Crane is mainly used for general loading and unloading and intermediate handling in construction plants such as roads, bridges, and power plants.
Launching gantry cranetypes
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Launching gantry crane types |
Structure |
Feature |
Parameter |
|
Bridge launching gantry crane |
Composed of gantry, winch trolley, crane operating mechanism, driver's cab and electrical control system |
Slow working speed, truss gantry, light structure, strong wind resistance，closed cab |
Lifting capacity：＜200ton crane,span：40m, 32m |
|
Bridge building crane |
Composed of machine arm, crane trolley, outrigger, hydraulic system, electrical system, generator set, and safety monitoring system. |
Lifting transportation beam, longitudinal movement, variable frequency walking mechanism, high mechanization |
Lifting capacity:450t-900t, 500 ton Bridge Building craneLifting speed:0-0.5m/min；Lifting height：5m/6mSpan：32m, 24m, 20m |
|
Girder launcher |
A gantry crane, composed of assembled main beams, outriggers, trolley |
Easy to disassemble, install and transport, economical and practical, high safety performance |
Lifting capacity：＜1000ton crane, 450 ton crane, 250 ton crane, 100 ton craneSpan: 30-48m |
Types and features of launching gantry crane
Features of girder launcher
Unique pin connection, firm and reliable, easy to install.
A-type fracture surface, continuous girder with low center of gravity, convenient and reliable.
The machine can accomplish the build of girders with carrying and erection at the same time.
Low deflection and high stiffness.
Safe and reliable, High efficiency.
Safety Features
Safety is the most important issue for cranes. To ensure the safety,the following safety devices are equipped in BL crane.
Crane traveling limit switch.
Overload protection device.
Lifting height limit device.
Voltage lower protection function .
Phase sequence protection function.
Emergency stop function.
Rain cover for outside hoist, driving units, electric cubicle.
Warning indicator : flashing nights and warning sounds.
Wire-less infra-detector for anti-collusion.
Features of Bridge Building Crane
Features of Bridge launching gantry Crane
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